/* ==========================================================
   Wallet — Personal Expenses Tracker
   Shared styles. Light + dark tokens, mobile-safe by default.
   ========================================================== */

:root{
  --bg:#F3F4F0;
  --ink:#14181A;
  --muted:#5C6360;
  --line:#E1E0D8;
  --card:#FFFFFF;
  --overlay:rgba(20,24,21,.45);

  --green-deep:#1E4632;
  --green:#3FA66B;
  --green-soft:#E4F1E8;

  --red:#C4432E;
  --red-soft:#F7E5E0;

  --gold:#8A6A2E;
  --gold-soft:#EFE7DB;
  --blue:#3A5A85;
  --blue-soft:#E7ECF3;

  --radius:14px;
  --radius-lg:20px;
  --shadow:0 12px 32px -14px rgba(20,24,21,.16);
  --shadow-lg:0 24px 56px -18px rgba(20,24,21,.32);

  --safe-t:env(safe-area-inset-top, 0px);
  --safe-b:env(safe-area-inset-bottom, 0px);

  color-scheme:light;
}

@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#0F1411;
    --ink:#F2F3EF;
    --muted:#9AA29B;
    --line:#232B26;
    --card:#171D19;
    --overlay:rgba(0,0,0,.6);

    --green-deep:#3FA66B;
    --green:#57C083;
    --green-soft:#16281F;

    --red:#E06A52;
    --red-soft:#2D1712;

    --gold:#C9A34F;
    --gold-soft:#26210F;
    --blue:#7EA1CE;
    --blue-soft:#131C27;

    --shadow:0 12px 32px -14px rgba(0,0,0,.5);
    --shadow-lg:0 24px 56px -18px rgba(0,0,0,.7);
    color-scheme:dark;
  }
}
:root[data-theme="dark"]{
  --bg:#0F1411; --ink:#F2F3EF; --muted:#9AA29B; --line:#232B26; --card:#171D19; --overlay:rgba(0,0,0,.6);
  --green-deep:#3FA66B; --green:#57C083; --green-soft:#16281F;
  --red:#E06A52; --red-soft:#2D1712;
  --gold:#C9A34F; --gold-soft:#26210F; --blue:#7EA1CE; --blue-soft:#131C27;
  --shadow:0 12px 32px -14px rgba(0,0,0,.5); --shadow-lg:0 24px 56px -18px rgba(0,0,0,.7);
  color-scheme:dark;
}

*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
html{-webkit-text-size-adjust:100%;}
body{
  background:var(--bg);
  color:var(--ink);
  font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  font-size:15px;
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
  overscroll-behavior-y:none;
}
h1,h2,h3,h4{
  font-family:'Space Grotesk','Inter',sans-serif;
  margin:0;
  font-weight:700;
  letter-spacing:-0.01em;
}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
input,select,textarea{font-family:inherit;}
:focus-visible{outline:2px solid var(--green);outline-offset:2px;}
.icon{width:19px;height:19px;stroke:currentColor;stroke-width:1.8;fill:none;stroke-linecap:round;stroke-linejoin:round;flex:none;}

/* remove number input spinners for a cleaner amount field */
input[type=number]::-webkit-inner-spin-button,
input[type=number]::-webkit-outer-spin-button{-webkit-appearance:none;margin:0;}
input[type=number]{-moz-appearance:textfield;}

/* ---------- layout shell ---------- */
.app-shell{min-height:100vh;min-height:100dvh;display:flex;flex-direction:column;}
.topbar{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 28px;padding-top:calc(14px + var(--safe-t));
  background:var(--card);border-bottom:1px solid var(--line);
  position:sticky;top:0;z-index:20;
}
.brand{display:flex;align-items:center;gap:10px;font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:16px;}
.brand .mark{
  width:32px;height:32px;border-radius:9px;background:var(--green-deep);
  display:flex;align-items:center;justify-content:center;flex:none;
}
.brand .mark .icon{stroke:#fff;width:17px;height:17px;}

.nav-links{display:flex;gap:6px;}
.nav-links a{
  display:flex;align-items:center;gap:7px;
  padding:9px 14px;border-radius:100px;font-size:13.5px;font-weight:600;color:var(--muted);
  transition:background .12s ease,color .12s ease;
}
.nav-links a.active{background:var(--green-soft);color:var(--green-deep);}
.nav-links a:hover{color:var(--green-deep);}

.topbar-right{display:flex;align-items:center;gap:14px;}
.logout-btn{
  font-size:13px;font-weight:600;color:var(--muted);background:none;border:1px solid var(--line);
  padding:9px 15px;border-radius:100px;cursor:pointer;min-height:38px;
}
.logout-btn:hover{border-color:var(--red);color:var(--red);}

.mobile-nav{
  display:none;position:sticky;bottom:0;background:var(--card);border-top:1px solid var(--line);
  justify-content:space-around;align-items:flex-end;
  padding:8px 4px calc(10px + var(--safe-b));
  z-index:20;
}
.mobile-nav a{
  display:flex;flex-direction:column;align-items:center;gap:3px;
  font-size:10.5px;font-weight:600;color:var(--muted);
  padding:6px 10px;border-radius:12px;min-width:56px;min-height:48px;justify-content:center;
}
.mobile-nav a.active{color:var(--green-deep);}
.mobile-nav a.fab-link{margin-top:-22px;}
.mobile-nav .fab{
  width:46px;height:46px;border-radius:50%;background:var(--green-deep);
  display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow);
  border:4px solid var(--bg);
}
.mobile-nav .fab .icon{stroke:#fff;width:20px;height:20px;}

.content{flex:1;width:100%;max-width:1080px;margin:0 auto;padding:28px;}

@media (max-width:820px){
  .nav-links{display:none;}
  .mobile-nav{display:flex;}
  .content{padding:16px;padding-bottom:calc(88px + var(--safe-b));}
  .topbar-right .logout-btn{display:none;}
}

/* ---------- page heads ---------- */
.page-head{display:flex;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:22px;flex-wrap:wrap;}
.page-head h1{font-size:clamp(21px,4vw,25px);}
.page-head p{color:var(--muted);font-size:13.5px;margin-top:4px;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 20px;border-radius:12px;border:none;font-weight:700;font-size:14px;cursor:pointer;
  transition:transform .08s ease,background .12s ease,border-color .12s ease;
  min-height:44px;
}
.btn:active{transform:scale(0.97);}
.btn-primary{background:var(--green-deep);color:#fff;}
.btn-primary:hover{filter:brightness(0.94);}
.btn-outline{background:var(--card);color:var(--ink);border:1px solid var(--line);}
.btn-outline:hover{border-color:var(--green);}
.btn-danger{background:var(--red-soft);color:var(--red);}
.btn-danger:hover{background:var(--red);color:#fff;}
.btn-block{width:100%;}
.btn-sm{padding:9px 14px;font-size:12.5px;border-radius:9px;min-height:36px;}
.icon-btn{
  width:38px;height:38px;border-radius:10px;border:1px solid var(--line);background:var(--card);
  display:flex;align-items:center;justify-content:center;cursor:pointer;color:var(--muted);flex:none;
  transition:color .12s ease,border-color .12s ease;
}
.icon-btn:hover{color:var(--green-deep);border-color:var(--green);}
.icon-btn.danger:hover{color:var(--red);border-color:var(--red);}

/* ---------- cards ---------- */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);padding:20px;}

/* ---------- skeleton loaders ---------- */
@keyframes shimmer{0%{background-position:-200px 0;}100%{background-position:calc(200px + 100%) 0;}}
.skeleton{
  border-radius:10px;background:linear-gradient(90deg,var(--line) 25%,var(--bg) 37%,var(--line) 63%);
  background-size:400px 100%;animation:shimmer 1.4s ease-in-out infinite;
}
.skeleton-row{display:flex;align-items:center;gap:12px;padding:13px 0;}
.skeleton-row .skeleton:first-child{width:42px;height:42px;border-radius:12px;flex:none;}
.skeleton-row .skeleton:last-child{width:60px;height:14px;flex:none;}
.skeleton-lines{flex:1;display:flex;flex-direction:column;gap:6px;}
.skeleton-lines .skeleton:first-child{width:60%;height:13px;}
.skeleton-lines .skeleton:last-child{width:40%;height:11px;}

/* ---------- forms ---------- */
.field{margin-bottom:16px;}
.field label{display:block;font-size:12.5px;font-weight:700;color:var(--muted);margin-bottom:6px;}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border-radius:11px;border:1px solid var(--line);
  background:var(--bg);font-size:16px;color:var(--ink);transition:outline-color .12s ease,background .12s ease;
  min-height:46px;
}
.field input:focus,.field select:focus,.field textarea:focus{outline:2px solid var(--green);outline-offset:1px;background:var(--card);}
.field-row{display:flex;gap:12px;}
.field-row .field{flex:1;}
.hint{font-size:12px;color:var(--muted);margin-top:4px;}

/* ---------- auth pages ---------- */
.auth-wrap{
  min-height:100vh;min-height:100dvh;display:flex;align-items:center;justify-content:center;
  padding:24px;padding-top:calc(24px + var(--safe-t));padding-bottom:calc(24px + var(--safe-b));
}
.auth-card{width:100%;max-width:380px;}
.auth-card .mark{
  width:48px;height:48px;border-radius:14px;background:var(--green-deep);
  display:flex;align-items:center;justify-content:center;margin-bottom:20px;
}
.auth-card .mark .icon{stroke:#fff;width:24px;height:24px;}
.auth-card h1{font-size:26px;margin-bottom:6px;}
.auth-card p.sub{color:var(--muted);font-size:13.5px;margin-bottom:24px;}
.auth-foot{text-align:center;margin-top:18px;font-size:13.5px;color:var(--muted);}
.auth-foot b{color:var(--green-deep);}

/* ---------- alerts + toasts ---------- */
.alert{padding:12px 14px;border-radius:11px;font-size:13.5px;font-weight:600;margin-bottom:16px;display:none;}
.alert.error{background:var(--red-soft);color:var(--red);}
.alert.success{background:var(--green-soft);color:var(--green-deep);}
.alert.show{display:block;}

#toastHost{
  position:fixed;left:0;right:0;bottom:calc(16px + var(--safe-b));z-index:200;
  display:flex;flex-direction:column;align-items:center;gap:8px;pointer-events:none;
  padding:0 16px;
}
@media (min-width:821px){#toastHost{bottom:24px;}}
.toast{
  pointer-events:auto;
  display:flex;align-items:center;gap:10px;
  background:var(--ink);color:var(--bg);
  padding:12px 16px;border-radius:12px;font-size:13.5px;font-weight:600;
  box-shadow:var(--shadow-lg);
  max-width:420px;width:100%;
  opacity:0;transform:translateY(8px);
  transition:opacity .18s ease,transform .18s ease;
}
.toast.show{opacity:1;transform:translateY(0);}
.toast.error{background:var(--red);color:#fff;}
.toast .icon{width:16px;height:16px;stroke:currentColor;}

/* ---------- dashboard ---------- */
.balance-card{background:var(--green-deep);color:#fff;border-radius:var(--radius-lg);padding:24px;margin-bottom:24px;}
.balance-card .label{font-size:13px;opacity:.75;font-weight:600;}
.balance-card .amount{font-family:'Space Grotesk',sans-serif;font-size:clamp(30px,6vw,38px);font-weight:700;margin:8px 0 18px;}
.balance-row{display:flex;gap:12px;flex-wrap:wrap;}
.balance-chip{flex:1;min-width:130px;background:rgba(255,255,255,.12);border-radius:12px;padding:12px 14px;}
.balance-chip .chip-label{font-size:11px;opacity:.8;font-weight:600;}
.balance-chip .chip-value{font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:17px;margin-top:3px;}
.balance-chip.warn{background:rgba(224,106,82,.3);}

.grid-2{display:grid;grid-template-columns:1.1fr 1fr;gap:20px;}
@media (max-width:820px){.grid-2{grid-template-columns:1fr;}}

.section-row{display:flex;align-items:center;justify-content:space-between;margin:26px 0 12px;}
.section-row:first-child{margin-top:0;}
.section-row h3{font-size:15.5px;}
.section-row .link{font-size:12.5px;color:var(--green-deep);font-weight:700;}

.cat-scroll{display:flex;gap:10px;overflow-x:auto;padding-bottom:4px;scrollbar-width:none;}
.cat-scroll::-webkit-scrollbar{display:none;}
.cat-pill{flex:none;width:86px;display:flex;flex-direction:column;align-items:center;gap:7px;padding:14px 8px;border-radius:16px;background:var(--card);border:1px solid var(--line);}
.cat-pill .cat-icon{width:36px;height:36px;border-radius:10px;display:flex;align-items:center;justify-content:center;}
.cat-pill .cat-icon .icon{width:18px;height:18px;}
.cat-pill .cat-name{font-size:11px;font-weight:600;color:var(--muted);text-align:center;}
.cat-pill .cat-amt{font-size:11.5px;font-weight:700;font-family:'Space Grotesk',sans-serif;}

/* ---------- transaction rows ---------- */
.tx-list{display:flex;flex-direction:column;}
.tx-row{display:flex;align-items:center;gap:12px;padding:13px 0;border-bottom:1px solid var(--line);position:relative;}
.tx-row:last-child{border-bottom:none;}
.tx-icon{width:42px;height:42px;border-radius:12px;display:flex;align-items:center;justify-content:center;flex:none;}
.tx-info{flex:1;min-width:0;}
.tx-info .tx-name{font-weight:700;font-size:13.5px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.tx-info .tx-meta{font-size:11.5px;color:var(--muted);margin-top:2px;}
.tx-amt{font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:14.5px;flex:none;color:var(--red);}
.tx-actions{display:flex;gap:6px;flex:none;}

.tx-confirm{
  display:flex;align-items:center;gap:8px;padding:10px 0;
  font-size:12.5px;font-weight:600;color:var(--muted);
}
.tx-confirm strong{color:var(--ink);}
.tx-confirm .spacer{flex:1;}

.empty-state{text-align:center;padding:40px 20px;color:var(--muted);}
.empty-state .icon{width:34px;height:34px;margin-bottom:10px;opacity:.6;}
.empty-state p{font-size:13.5px;margin-top:4px;}

/* ---------- filters ---------- */
.search-bar{display:flex;align-items:center;gap:10px;background:var(--card);border:1px solid var(--line);border-radius:13px;padding:11px 14px;margin-bottom:14px;}
.search-bar input{border:none;background:none;outline:none;font-family:inherit;font-size:16px;flex:1;color:var(--ink);min-height:auto;}
.search-bar .icon{color:var(--muted);}
.search-bar .clear-btn{border:none;background:none;color:var(--muted);cursor:pointer;display:none;padding:4px;}
.search-bar .clear-btn.show{display:flex;}
.filter-row{display:flex;gap:8px;margin-bottom:18px;overflow-x:auto;padding-bottom:2px;scrollbar-width:none;}
.filter-row::-webkit-scrollbar{display:none;}
.filter-chip{flex:none;padding:9px 16px;border-radius:100px;border:1px solid var(--line);font-size:12.5px;font-weight:700;color:var(--muted);background:var(--card);cursor:pointer;min-height:38px;display:flex;align-items:center;}
.filter-chip.active{background:var(--green-deep);color:#fff;border-color:var(--green-deep);}

/* ---------- modal (bottom sheet on mobile) ---------- */
.modal-backdrop{
  position:fixed;inset:0;background:var(--overlay);display:none;
  align-items:center;justify-content:center;padding:20px;z-index:100;
}
.modal-backdrop.show{display:flex;}
.modal{
  background:var(--card);border-radius:var(--radius-lg);padding:22px;width:100%;max-width:420px;
  max-height:88vh;overflow-y:auto;box-shadow:var(--shadow-lg);
  animation:modal-in .16s ease;
}
@keyframes modal-in{from{opacity:0;transform:translateY(10px) scale(.98);}to{opacity:1;transform:none;}}
.modal-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.modal-head h3{font-size:17px;}
.cat-select-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:8px;margin-bottom:16px;}
.cat-opt{display:flex;flex-direction:column;align-items:center;gap:5px;padding:10px 2px;border-radius:12px;border:1.5px solid var(--line);cursor:pointer;background:var(--card);min-height:56px;justify-content:center;}
.cat-opt.selected{border-color:var(--green-deep);background:var(--green-soft);}
.cat-opt .cat-icon{width:26px;height:26px;border-radius:8px;display:flex;align-items:center;justify-content:center;}
.cat-opt .cat-icon .icon{width:13px;height:13px;}
.cat-opt span{font-size:9px;font-weight:700;color:var(--muted);text-align:center;}

@media (max-width:520px){
  .modal-backdrop{align-items:flex-end;padding:0;}
  .modal{
    max-width:none;border-radius:22px 22px 0 0;max-height:92vh;
    padding:18px 18px calc(22px + var(--safe-b));
    animation:sheet-in .2s ease;
  }
  @keyframes sheet-in{from{transform:translateY(100%);}to{transform:translateY(0);}}
  .cat-select-grid{grid-template-columns:repeat(4,1fr);}
}

/* ---------- reports ---------- */
.month-switch{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.month-switch .month{font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:17px;}
.legend{display:flex;flex-direction:column;gap:11px;margin-top:16px;}
.legend-row{display:flex;align-items:center;gap:10px;font-size:13px;}
.legend-dot{width:10px;height:10px;border-radius:50%;flex:none;}
.legend-row .lg-name{flex:1;font-weight:600;}
.legend-row .lg-amt{color:var(--muted);font-weight:600;font-size:12.5px;}
.donut-wrap{display:flex;align-items:center;justify-content:center;position:relative;}
.donut-center{position:absolute;text-align:center;}
.donut-center .amt{font-family:'Space Grotesk',sans-serif;font-size:22px;font-weight:700;}
.donut-center .lbl{font-size:10.5px;color:var(--muted);font-weight:600;}
.bar-chart{display:flex;align-items:flex-end;gap:12px;height:140px;margin-top:10px;}
.bar-col{flex:1;display:flex;flex-direction:column;align-items:center;gap:8px;height:100%;justify-content:flex-end;}
.bar{width:100%;border-radius:6px 6px 3px 3px;background:var(--green);min-height:3px;transition:height .4s cubic-bezier(.16,1,.3,1);}
.bar-col span{font-size:10.5px;color:var(--muted);font-weight:600;}

/* ---------- profile ---------- */
.profile-head{display:flex;flex-direction:column;align-items:center;padding:8px 0 22px;}
.avatar-lg{width:80px;height:80px;border-radius:50%;background:var(--green-soft);display:flex;align-items:center;justify-content:center;margin-bottom:14px;border:2px solid var(--green-deep);}
.avatar-lg .icon{width:34px;height:34px;color:var(--green-deep);}
.profile-head h2{font-size:19px;margin-bottom:2px;}
.profile-head p{font-size:13px;color:var(--muted);}
.stat-row{display:flex;gap:12px;margin-bottom:22px;}
.stat-box{flex:1;text-align:center;padding:16px 6px;}
.stat-box .num{font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:18px;}
.stat-box .lbl{font-size:10.5px;color:var(--muted);font-weight:600;margin-top:3px;}

.text-center{text-align:center;}
.mt-8{margin-top:8px;}
.mt-16{margin-top:16px;}

/* ---------- splash / auth loading ---------- */
.splash{min-height:100vh;min-height:100dvh;display:flex;align-items:center;justify-content:center;}
.splash .mark{width:44px;height:44px;border-radius:13px;background:var(--green-deep);display:flex;align-items:center;justify-content:center;animation:pulse 1.4s ease-in-out infinite;}
.splash .mark .icon{stroke:#fff;width:22px;height:22px;}
@keyframes pulse{0%,100%{opacity:1;}50%{opacity:.55;}}